00557nam a2200181Ia 4500008004100000020001500041082001700056100001800073245009700091260003900188300000800227650001800235650004200253653001400295653002200309700002600331700001800357170901s1971    xx            000 0 und d  a0471716502  a551.49bR36N  aRemson, Irwin 0aNumerical Methods in Subsurface HydrologybWith an Introduction to the Finite Element Method  aNew YorkbWiley-Intersciencec1971  a389  aPure Sciences  aScience of the earth and other worlds  aHydrology  aNumerical methods  aHornberger, George M.  aMolz, Fred J.